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I have files from two sources, one has come from http://www.worldclim.org, contains climate variables such as precipitation and temperature on a world scale, in raster format.

The other has the coordinates of the provinces of Peru. I have prepared the maps separately but I need a new data base of Peru, with their provinces and the average temperature of each province, that is in vector format.

How could you generate this data?

Do you know other sources of climatic variables per provinces or districts for countries?

closed as unclear what you're asking by Mapperz Nov 18 '16 at 17:27

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Maybe you can extract some points along your polygons (the weather stations?), and the value of the raster at these points. Then you can compute your average temperature fore each polygon.

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